CN105271512A - Anaerobic sludge flotation removing circulation wastewater treatment system and method - Google Patents
Anaerobic sludge flotation removing circulation wastewater treatment system and method Download PDFInfo
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- CN105271512A CN105271512A CN201410350350.0A CN201410350350A CN105271512A CN 105271512 A CN105271512 A CN 105271512A CN 201410350350 A CN201410350350 A CN 201410350350A CN 105271512 A CN105271512 A CN 105271512A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E50/00—Technologies for the production of fuel of non-fossil origin
- Y02E50/30—Fuel from waste, e.g. synthetic alcohol or diesel
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Abstract
The invention provides an anaerobic sludge flotation removing circulation wastewater treatment system and method. The method includes the steps: wastewater is guided to pass through a wastewater treatment tank, so as to carry out wastewater treatment; in the wastewater treatment tank, the wastewater is subjected to an anaerobic treatment reaction with an anaerobic wastewater treatment device; in the wastewater treatment tank, biogas produced from the anaerobic treatment reaction is collected; a part or all of the biogas is recycled and circularly transported to a biogas flotation removing device; and in the wastewater treatment tank, the wastewater is subjected to flotation removing operation by using the biogas of the biogas flotation removing device, so as to recycle suspended small anaerobic sludge and produce flotation-removed anaerobic sludge. The system overall structure can be simplified, and the efficiency of anaerobic wastewater treatment is improved.
Description
Technical field
The present invention is floating except recycling waste water disposal and recovery anaerobic sludge system and method thereof about a kind of anaerobic sludge; Particularly floating except recycling waste water disposal and recovery anaerobic sludge system and method thereof with biogas pressuring method about a kind of anaerobic sludge; More especially floating except recycling waste water disposal and recovery anaerobic sludge system and method thereof about the multistage anaerobic sludge of one.
Background technology
Conventional anaerobic wastewater treatment system and method thereof, such as: the patent of invention case of TaiWan, China patent announcement No. 450946 " biological purification of effluent treatment unit ", it discloses a kind of biological purification of effluent treatment unit.This biological purification of effluent treatment unit comprises a right cylinder, a UASB reaction chamber, an aerobic reaction room, a partitioning device, a gas collector, a cushioning pocket and floating except device; Arrange UASB reaction chamber in cylindrical bottom, and cylindrical top arranges aerobic reaction chamber, UASB reaction chamber and aerobic reaction room are separated by partitioning device, and partitioning device has several through hole, flow into aerobic reaction room to allow lonely body via through holes.Above gas collector, a predetermined distance place arranges partitioning device, to form cushioning pocket, for lonely mud by cushioning pocket, to be floatingly arranged at above aerobic reaction room except device, to be separated with purifying waste water by biological block.
But, the biological purification of effluent treatment unit of No. 450946th, aforementioned TaiWan, China patent announcement and method thereof must arrange UASB reaction chamber, aerobic reaction room and other relevant configuration equipment (such as: partitioning device, cushioning pocket or floating except device), and therefore it has sewage treatment equipment complex structure, hold facility larger space, schedule of operation is complicated, processing efficiency is not good and the shortcoming of processing cost increase.
Another conventional anaerobic wastewater treatment system and method thereof, such as: the patent of invention case of TaiWan, China patent announcement No. I300059 " anaerobic waste water biological treatment system and method ", it discloses a kind of anaerobic waste water biological treatment system containing organic pollutant.This anaerobic waste water biological treatment system comprises an anaerobic mud bed reactive tank and a dissolved air is floating except (DAF) groove; Anaerobic mud bed reactive tank removes the organic pollutant in waste water in anaerobic mud bed reactive tank in order to anaerobion, and dissolved air floats except groove is for carrying out solid-liquid two-phase laminated flow to the solids gone out in flowing water from anaerobic mud bed reactive tank, to reclaim the anaerobion of flowing out anaerobic mud bed reactive tank, and send back in anaerobic mud bed reactive tank, to promote the hydraulic load of anaerobic mud bed reactive tank.
But, the anaerobic waste water biological treatment system of No. I300059th, aforementioned TaiWan, China patent announcement and method thereof must extra separation to arrange dissolved air floating except groove, thus it has the shortcoming that sewage treatment equipment complex structure, hold facility larger space and processing cost increase.In addition, dissolved air is floating, and except groove, to adopt pressurized air mode to carry out dissolved air floating except operation, therefore dissolved air floating except process in must there is anaerobion and touch containing aerial oxygen.Touch oxygen once anaerobion, must be unfavorable for anaerobion generation decomposition reaction, growth or breeding, therefore it has the shortcoming that recycling schedule of operation is complicated and recycling efficiency is not good.
Obviously, conventional anaerobic wastewater treatment system and method thereof certainly exist the potential demand of its waste water fermentation processing operation of improvement further, such as: how to simplify waste water fermentation process integrated model, how to promote waste water fermentation processing efficiency or how to avoid anaerobion to touch oxygen.Aforementioned patent is only the reference of the technology of the present invention background and current technical development state is described, the scope that it is not intended to limiting the invention.
Summary of the invention
The main purpose of present pre-ferred embodiments is to provide a kind of anaerobic sludge and floats except recycling waste water disposal and recovery anaerobic sludge system, it utilizes a biogas floating except device is combined in a waste water fermentation treatment unit, recycling biogas body that this waste water fermentation treatment unit produces, to be delivered to this biogas floating except device, to utilize the circulation-supplied of this biogas body to carry out waste water float except and reclaim anaerobic sludge operation, to reach the object simplifying integral construction.
In order to reach above-mentioned purpose, the floating recycling waste water treatment system of removing of the anaerobic sludge of present pre-ferred embodiments comprises:
One waste water treatment tank, it is in order to process a waste water, and this waste water treatment tank comprises a first location and a second position;
One waste water fermentation treatment unit, it is arranged at the first location of this waste water treatment tank; And
One biogas is floating except device, and it is arranged at the second position of this waste water treatment tank;
It is floating except device that the biogas body that wherein this waste water fermentation treatment unit produces is delivered to this biogas, so as to utilize the circulation-supplied of this biogas body carry out waste water floating except and reclaim anaerobic sludge operation, and produce one floating except anaerobic sludge.
The first location of this waste water treatment tank of present pre-ferred embodiments is positioned at the first half of this waste water treatment tank, and the second position of this waste water treatment tank is positioned at the Lower Half of this waste water treatment tank.
This of present pre-ferred embodiments is floating is delivered to an anaerobic sludge reactive tank except anaerobic sludge, then this is floating except anaerobic sludge composite waste, and this is floatingly transmitted back to waste water fermentation treatment unit to this waste water treatment tank except anaerobic sludge and waste water.
This anaerobic sludge reactive tank of present pre-ferred embodiments also comprises a filter biological treatment device.
This filter biological treatment device of present pre-ferred embodiments comprises a damaged tire and fills a filter biological treatment device, and utilizes a waste tyre array to form an anaerobic sludge microbial film.
Anaerobic treatment is reacted the biogas body produced and is collected by present pre-ferred embodiments in this anaerobic sludge reactive tank.
The floating device that removes of this biogas of present pre-ferred embodiments is arranged within a triphase separator.
This biogas of present pre-ferred embodiments is floating except device is arranged at a triphase separator.
This biogas of present pre-ferred embodiments is floating also comprises a pressurizing device except device, to utilize this pressurizing device to pressurize this biogas body.
Another object of present pre-ferred embodiments is to provide a kind of anaerobic sludge and floats except recycling waste water and recovery anaerobic sludge treatment process, it utilizes a biogas floating except device is combined in a waste water fermentation treatment unit, recycling biogas body that this waste water fermentation treatment unit produces, to be delivered to this biogas floating except device, to utilize the circulation-supplied of this biogas body to carry out waste water float except and reclaim anaerobic sludge operation, to reach the object promoting waste water fermentation processing efficiency.
In order to reach above-mentioned purpose, the floating recycling waste water treatment process of removing of the anaerobic sludge of present pre-ferred embodiments comprises:
One waste water is directed through a waste water treatment tank, to carry out processing this waste water;
In this waste water treatment tank, this water reuse one waste water fermentation treatment unit is carried out anaerobic treatment reaction;
In this waste water treatment tank, anaerobic treatment is reacted the biogas body produced to collect;
This natural pond gas circulation part or all of is delivered to a biogas floating except device; And
The biogas body floated by this biogas of this water reuse in this waste water treatment tank except device carries out floating except operation, and produces floating except anaerobic sludge.
The first location of this waste water treatment tank of present pre-ferred embodiments is positioned at the first half of this waste water treatment tank, and the second position of this waste water treatment tank is positioned at the Lower Half of this waste water treatment tank, and so this waste water treatment tank adopts upflowing wastewater treatment.
This of present pre-ferred embodiments is floating is delivered to an anaerobic sludge reactive tank except anaerobic sludge, then this is floating except anaerobic sludge composite waste, and this is floatingly transmitted back to waste water fermentation treatment unit to this waste water treatment tank except anaerobic sludge and waste water.
This anaerobic sludge reactive tank of present pre-ferred embodiments also comprises a filter biological treatment device.
This filter biological treatment device of present pre-ferred embodiments comprises a damaged tire and fills a filter biological treatment device, and utilizes a waste tyre array to form an anaerobic sludge microbial film.
Anaerobic treatment is reacted the biogas body produced and is collected by present pre-ferred embodiments in this anaerobic sludge reactive tank.
The floating device that removes of this biogas of present pre-ferred embodiments is arranged within a triphase separator, to carry out in this triphase separator, biogas is floating to be removed and solid-liquid separation.
This biogas of present pre-ferred embodiments is floating except device is arranged at a triphase separator, to carry out outside this triphase separator, biogas is floating to be removed and solid-liquid separation.
This biogas of present pre-ferred embodiments is floating also comprises a pressurizing device except device, to utilize this pressurizing device to pressurize this biogas body.
The invention has the advantages that:
Anaerobic sludge of the present invention is floating except recycling waste water treatment system and method thereof, simplifies entire system structure, and improves waste water fermentation processing efficiency.
Accompanying drawing explanation
Fig. 1 is the schematic flow sheet that the anaerobic sludge of present pre-ferred embodiments floats except recycling waste water treatment process.
Fig. 2 is the schematic diagram that the anaerobic sludge of the present invention first preferred embodiment floats except recycling waste water treatment system.
Fig. 3 is the schematic diagram that the anaerobic sludge of the present invention second preferred embodiment floats except recycling waste water treatment system.
Fig. 4 is the schematic diagram that the anaerobic sludge of the present invention second preferred embodiment floats except recycling waste water treatment system employing triphase separator.
Fig. 5 is that the anaerobic sludge of the present invention second preferred embodiment floats except recycling waste water treatment system adopts the schematic diagram dripping filter biological treatment device.
Embodiment
In order to fully understand the present invention, in hereafter coordinating accompanying drawing to elaborate citing preferred embodiment, and itself and be not used to limit the present invention.
The anaerobic sludge of present pre-ferred embodiments floats except recycling waste water disposal and recovery anaerobic sludge system and method thereof are applicable to various waste water fermentation treatment unit and various anaerobion, such as: definitely anaerobion or non-absolute anaerobion, but the scope that it is not intended to limiting the invention.In addition, the anaerobic sludge of present pre-ferred embodiments is floating removes device except recycling waste water treatment system and method thereof are applicable to various floating, such as: general floating except device, Pressurized flotation are except device or biogas Pressurized flotation are except device, but itself and be not used to limit range of application of the present invention.
Hold, the anaerobic sludge of present pre-ferred embodiments is floating drips filter biological treating tank and various waste tyre array except recycling waste water treatment system and method thereof adopt a damaged tire filling filter biological treating tank to can be made into single-channel type, two slot types, three slot types or multi-channel, such as: horizontal Tile array, vertically stack array or its mixing array, but itself and be not used to limit scope of the present invention.
Hold, the anaerobic sludge of present pre-ferred embodiments is floating except recycling waste water treatment system and method choice thereof are for adopting multistage anaerobic sludge floating except recycling waste water treatment system and method thereof, namely it comprises at least one leading portion waste water fermentation treatment step and at least one back segment waste water fermentation treatment step, to promote waste water fermentation processing efficiency and to increase waste water fermentation processing load amount.
The anaerobic sludge that Fig. 1 discloses present pre-ferred embodiments floats the schematic flow sheet except recycling waste water treatment process.Please refer to shown in Fig. 1, the floating recycling waste water treatment process of removing of the anaerobic sludge of present pre-ferred embodiments comprises step S1: first, waste water is directed through a waste water treatment tank, to carry out process waste water.For example, waste water treatment tank can be selected from the airtight simplified of simplified or other different shape of an inclose.Waste water can be selected from pending high concentrated organic wastewater, utilizes upper reaches (up-flow) formula to be directed through waste water treatment tank, can remove the organic pollutant of waste water.
The floating recycling waste water treatment process of removing of the anaerobic sludge of present pre-ferred embodiments comprises step S2: then, in waste water treatment tank, water reuse one waste water fermentation treatment unit is carried out anaerobic treatment reaction.For example, waste water fermentation treatment unit is better is selected from a high density, highly active anaerobic granular sludge bed, there is anaerobic digestion through waste water fermentation treatment unit in the majority of organic pollutants in waste water like this, and is methane and carbonic acid gas by organic contamination Biodegradable.
The floating recycling waste water treatment process of removing of the anaerobic sludge of present pre-ferred embodiments comprises step S3: then, anaerobic treatment is reacted the biogas body (such as: methane, carbonic acid gas and mixed gas thereof) produced in waste water treatment tank suitably to collect, and will partly or entirely reclaim.For example, part or all of biogas body is delivered to a pressurizing device (such as: pump) by Selection utilization one first transfer lime, to carry out follow-up Pressurized flotation except operation, so it effectively utilizes anaerobic treatment to react the biogas body produced.Or, select biogas body to be directly suitably delivered to waste water treatment tank with pipeline, to carry out follow-up Pressurized flotation except operation.
The floating recycling waste water treatment process of removing of the anaerobic sludge of present pre-ferred embodiments comprises step S4: then, natural pond gas circulation is delivered to a biogas floating except device.For example, one second transfer lime is utilized to be carried out mixing via pressurizing device and processed waste water by biogas body and pressurize, to form biogas pressurization supersaturation liquid, then the biogas that the supersaturation liquid that pressurizeed by biogas is delivered to waste water treatment tank via one the 3rd transfer lime is floating except device or other temporary transient storing unit.
The floating recycling waste water treatment process of removing of the anaerobic sludge of present pre-ferred embodiments comprises step S5: then, in waste water treatment tank, water reuse biogas is floated except the biogas body of device or biogas pressurization supersaturation liquid carry out floating except and reclaim anaerobic sludge operation, and produce floating except anaerobic sludge.For example, high density, highly active anaerobic granular sludge bed by the water impact of waste water cause anaerobic grain broken or isolate more tiny anaerobic grain time, along with biogas body or biogas pressurization supersaturation liquid carry out floating removing and rises, and formed floating except anaerobic sludge at wastewater surface.To float except the suitable recycling of anaerobic sludge, to make full use of the anaerobic treatment ability of anaerobic sludge, and reduce the use cost of anaerobic sludge.
The anaerobic sludge that Fig. 2 discloses the present invention first preferred embodiment floats the schematic diagram except recycling waste water treatment system, and it only floats the technical characteristic except recycling waste water treatment system and wastewater treatment thereof flow to suitable scale down size and shape representation anaerobic sludge.Please refer to shown in Fig. 2, the anaerobic sludge of the present invention first preferred embodiment is floating comprises waste water treatment tank 1, waste water fermentation treatment unit 2 except recycling waste water treatment system and a biogas is floating except device 3, and waste water fermentation treatment unit 2 and biogas is floating is suitably configured in waste water treatment tank 1 except device 3.
Shown in Fig. 2, for example, waste water treatment tank 1 is in order to process waste water, and waste water is suitably delivered in waste water treatment tank 1 with pipeline (shown in the dextrad arrow of Fig. 2 lower left), and via after suitable anaerobic treatment (below Fig. 2 to shown in upward arrow), processed waste water is suitably exported to outside waste water treatment tank 1 with pipeline (shown in the top-right dextrad arrow of Fig. 2).It is simplified that waste water treatment tank 1 is selected from a cylinder, and it comprises a first location (Lower Half of waste water treatment tank 1) and a second position (first half of waste water treatment tank 1).
Shown in Fig. 2, for example, waste water fermentation treatment unit 2 is selected from one anaerobic mud bed (UASB, up-flowanaerobicsludgebed).Waste water fermentation treatment unit 2 is configured at waste water treatment tank 1 Lower Half, and waste water fermentation treatment unit 2 corresponds to become a mandarin sprinkler or a level enters circulation input tube group (shown in the dextrad arrow of Fig. 2 lower left), therefore it can omit and arrange an agitator or its allied equipment.In addition, to be fallen back waste water treatment tank 1 Lower Half by the anaerobic mud bed anaerobic sludge that waste water drives, and anaerobic treatment is reacted the biogas body (such as: methane, carbonic acid gas and mixed gas thereof) produced in waste water treatment tank 1 and suitably collect.
Shown in Fig. 2, for example, the floating device 3 that removes of biogas is configured at waste water treatment tank 1 first half, and the floating device 3 that removes of biogas comprises pressurizing device 31 and a biogas storage cylinder 32.For example, utilize one first transfer lime A that biogas body is delivered to pressurizing device 31, recycle one second transfer lime B biogas body is carried out mixing via pressurizing device and processed waste water to pressurize, and be transmitted back to waste water treatment tank 1 through biogas storage cylinder 32, to carry out follow-up Pressurized flotation except operation.In addition, the biogas that the supersaturation liquid that pressurizeed by biogas is delivered to waste water treatment tank 1 via one the 3rd transfer lime C is floating except device 3, to carry out, circulation is floating to remove and the operation of recovery anaerobic sludge.
Shown in Fig. 2, for example, the biogas body floated by water reuse biogas in waste water treatment tank 1 except device 3 carries out floating except operation (above Fig. 2 to shown in upward arrow), and produce one floating except anaerobic sludge, and will float except anaerobic sludge is delivered to except waste water treatment tank 1 through one first overflow ring weir 11 (left-hand above Fig. 2 and dextrad arrow shown) or an overflow weir.The high density of waste water fermentation treatment unit 2, highly active anaerobic granular sludge bed by the water impact of waste water cause anaerobic grain broken or isolate more tiny anaerobic grain time, along with biogas body or biogas pressurization supersaturation liquid carry out floating removing and rises, and formed floating except anaerobic sludge at wastewater surface.This is floated except anaerobic sludge and the suitable blending transportation of waste water return waste water treatment tank 1 (shown in the dextrad arrow of Fig. 2 lower left), to make full use of the anaerobic treatment ability of anaerobic sludge, and reduce the use cost of anaerobic sludge.
The anaerobic sludge that Fig. 3 discloses the present invention second preferred embodiment floats the schematic diagram except recycling waste water treatment system, and it corresponds to Fig. 2.Please refer to shown in Fig. 3, relative to the first embodiment, the floating recycling waste water treatment system of removing of the anaerobic sludge of the present invention second preferred embodiment also comprises a triphase separator 4 and a filter biological treatment device 5.Triphase separator 4 is suitably configured at waste water treatment tank 1 first half (shown in the right-hand part of Fig. 3), and drips the side (shown in the left side of Fig. 3) that filter biological treatment device 5 is suitably configured at waste water treatment tank 1.
The anaerobic sludge that Fig. 4 discloses the present invention second preferred embodiment floats except recycling waste water treatment system adopts the schematic diagram of triphase separator, and it corresponds to the triphase separator of Fig. 3.Please refer to shown in Fig. 3 and Fig. 4, triphase separator 4 is in order to carry out anaerobic digestion by the high density of waste water fermentation treatment unit 2, highly active anaerobic granular sludge bed by waste water, and the separating digesting gas of generation and Digestive system are separated with mud granule, and reclaim floating except anaerobic sludge, to promote waste water fermentation processing efficiency.
Shown in Fig. 3, for example, biogas is floating except device 3 is arranged at triphase separator 4, to carry out outside triphase separator 4, biogas is floating to be removed and solid-liquid separation, and floating except anaerobic sludge along producing after the outer ring wall of triphase separator 4 rises, and this is floatingly delivered to except waste water treatment tank 1 through the first overflow ring weir 11 (left-hand above Fig. 3 and dextrad arrow shown) except anaerobic sludge.
Shown in Fig. 3 and Fig. 4, for example, triphase separator 4 comprises a negative area (triphase separator 4 Lower Half) and a Fu Chu district (triphase separator 4 first half).Relative, triphase separator 4 comprises a flaggy sedimentation device (as shown in Figure 3) or a flaggy sedimentation module (as shown in Figure 4), and flaggy sedimentation device or flaggy sedimentation module are arranged at triphase separator 4 comprise in a negative area, so that settled sludge flows out outside triphase separator 4 via a lower opening.
Shown in Fig. 3 and Fig. 4, for example, relative, biogas is floating, and except device 3 comprises, an assisted methane is floating removes device 30, and this assisted methane floats except device 30 is arranged within triphase separator 4.The Fu Chu district of triphase separator 4 comprises one first curved flow point (on the right side of Fig. 4 shown in swash plate aperture position) and one second curved flow point (on the left of Fig. 4 shown in swash plate corner location), and be arranged at the first curved flow point and the second curved flow point by floating for assisted methane respectively except device 30 so that carry out in triphase separator 4 high-level efficiency biogas float except and triphase separator 4 inside and outside dual biogas floatingly to remove.
Shown in Fig. 3 and Fig. 4, for example, water reuse assisted methane is floated except the biogas body of device 30 or biogas pressurization supersaturation liquid carry out floating except operation (above Fig. 4 to shown in upward arrow) and solid-liquid separation in triphase separator 4, and produce floating except anaerobic sludge, and will float except anaerobic sludge is delivered to except waste water treatment tank 1 through one second overflow ring weir 41 (left-hand above Fig. 4 and dextrad arrow shown) or an overflow weir.In addition, in triphase separator 4, anaerobic treatment is reacted the biogas body produced to collect.
The anaerobic sludge that Fig. 5 discloses the present invention second preferred embodiment floats except recycling waste water treatment system adopts the schematic diagram dripping filter biological treatment device, and it corresponds to a filter biological treatment device of Fig. 3.Please refer to shown in Fig. 3 and Fig. 5, drip filter biological treatment device 5 and comprise a damaged tire filling droplet filter biological treatment device 50, cycle acidification fixation reaction groove 51, cycle carrier 52, agitator 53 and one a 3rd overflow ring weir 54 (or overflow weir).
Shown in Fig. 3 and Fig. 5, for example, damaged tire is filled a filter biological treatment device 50 and is configured at filter biological treatment device 5 first half, and cycle acidification fixation reaction groove 51 is configured at filter biological treatment device 5 Lower Half, and cycle carrier 52 is configured at the side or other appropriate location of dripping filter biological treatment device 5.Agitator 53 is extended in cycle acidification fixation reaction groove 51, to carry out agitation as appropriate in cycle acidification fixation reaction groove 51, such as: intermittent automatic stirring.
Shown in Fig. 3 and Fig. 5, for example, utilize one the 4th transfer lime D that waste water treatment tank 1 and the floating of triphase separator 4 are dripped filter biological treatment device 5 except anaerobic sludge is delivered to.Relative, waste water is delivered to and drips filter biological treatment device 5, and utilize a water spraying pipe 501 waste water aproll to be filled the waste tyre array of dripping filter biological treatment device 50 by damaged tire, and utilize cycle carrier (such as: pump) 52 that waste water circulation aproll is passed through waste tyre array, so in waste tyre array, form an anaerobic sludge microbial film, to increase process waste water ability, its process waste water ability comprises biochemical oxygen demand (biochemicaloxygendemand, be called for short BOD), chemical oxygen demand (COD) (chemicaloxygendemand, be called for short COD), ammonia nitrogen etc. and other biodegradable matter.
Shown in Fig. 3 and Fig. 5, for example, in addition, in cycle acidification fixation reaction groove 51, waste water continues to carry out acidification hydrolization reaction with the floating anaerobic sludge that removes, and utilize agitator 53 agitation as appropriate waste water with floating except anaerobic sludge, preliminary pre-treatment waste water can be carried out and activate floating except anaerobic sludge.Meanwhile, waste water treatment tank 1 can carry out the aftertreatment part of waste water.
Shown in Fig. 3 and Fig. 5, for example, in cycle acidification fixation reaction groove 51, utilize damaged tire to fill carrying out of dripping filter and agitator 53 for filter biological treatment device 50 stir mode of operation process waste water, and produce floating except anaerobic sludge, and will float except anaerobic sludge is delivered to except a filter biological treatment device 5 through the 3rd overflow ring weir 54 (shown in Fig. 5 Lower Half) or an overflow weir.In addition, in a filter biological treatment device 5, anaerobic treatment is reacted the biogas body produced and collect, and select to be transmitted back to waste water treatment tank 1.
Aforementioned preferred embodiment only illustrates the present invention and technical characteristic thereof, and the technology of this embodiment still suitably can carry out various essence equivalence modification and/or substitute mode is implemented; Therefore, the scope that interest field of the present invention must define depending on appended claim scope is as the criterion.
Claims (10)
1. anaerobic sludge is floating except recycling waste water treatment system, it is characterized in that, comprises:
One waste water treatment tank, it is in order to process waste water, and this waste water treatment tank comprises a first location and a second position;
One waste water fermentation treatment unit, it is arranged at the first location of this waste water treatment tank; And
One biogas is floating except device, and it is arranged at the second position of this waste water treatment tank;
It is floating except device that the biogas body that wherein this waste water fermentation treatment unit produces is delivered to this biogas, floats except operation to utilize the circulation-supplied of biogas body to carry out waste water, and produce floating except anaerobic sludge.
2. floating except recycling waste water treatment system according to anaerobic sludge according to claim 1, it is characterized in that, the described floating anaerobic sludge that removes is delivered to an anaerobic sludge reactive tank, again by described floating except anaerobic sludge composite waste, and be floatingly transmitted back to waste water fermentation treatment unit to described waste water treatment tank except anaerobic sludge and waste water by described.
3. it is characterized in that except recycling waste water treatment system according to anaerobic sludge according to claim 2 is floating, described anaerobic sludge reactive tank also comprises a filter biological treatment device.
4. it is characterized in that except recycling waste water treatment system according to anaerobic sludge according to claim 3 is floating, described filter biological treatment device comprises a damaged tire filling and drips filter biological treatment device, and utilizes a waste tyre array to form an anaerobic sludge microbial film.
5. it is characterized in that except recycling waste water treatment system according to anaerobic sludge according to claim 1 is floating, described biogas floats except device is arranged within a triphase separator or except a triphase separator.
6. anaerobic sludge is floating except a recycling waste water treatment process, it is characterized in that, comprises:
Waste water is directed through a waste water treatment tank, to carry out processing this waste water;
In this waste water treatment tank, water reuse one waste water fermentation treatment unit is carried out anaerobic treatment reaction;
In this waste water treatment tank, anaerobic treatment is reacted the biogas body produced to collect;
Natural pond gas circulation is delivered to a biogas floating except device; And
The biogas body floated by this biogas of water reuse in this waste water treatment tank except device carries out floating except operation, and produces floating except anaerobic sludge.
7. floating except recycling waste water treatment process according to anaerobic sludge according to claim 6, it is characterized in that, the described floating anaerobic sludge that removes is delivered to an anaerobic sludge reactive tank, again by described floating except anaerobic sludge composite waste, and be floatingly transmitted back to waste water fermentation treatment unit to described waste water treatment tank except anaerobic sludge and waste water by described.
8. it is characterized in that except recycling waste water treatment process according to anaerobic sludge according to claim 7 is floating, described anaerobic sludge reactive tank also comprises a filter biological treatment device.
9. it is characterized in that except recycling waste water treatment process according to anaerobic sludge according to claim 8 is floating, described filter biological treatment device comprises a damaged tire filling and drips filter biological treatment device, and utilizes a waste tyre array to form an anaerobic sludge microbial film.
10. floating except recycling waste water treatment process according to anaerobic sludge according to claim 6, it is characterized in that, the floating device that removes of described biogas is arranged within a triphase separator, to carry out in this triphase separator, biogas is floating to be removed and solid-liquid separation, or described biogas is floating except device is arranged at a triphase separator, to carry out outside this triphase separator, biogas is floating to be removed and solid-liquid separation.
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| CN101423292A (en) * | 2008-11-20 | 2009-05-06 | 浙江大学 | Anaerobic bioreactor for treating high concentration printing and dyeing wastewater and method thereof |
| CN101767862A (en) * | 2009-11-17 | 2010-07-07 | 孙旭贤 | Waste tyre filling and trickling biological treating method and biological treating tank thereof |
| CN102616930A (en) * | 2012-04-19 | 2012-08-01 | 徐富 | Methane air floating anaerobic reactor |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101423292A (en) * | 2008-11-20 | 2009-05-06 | 浙江大学 | Anaerobic bioreactor for treating high concentration printing and dyeing wastewater and method thereof |
| CN101767862A (en) * | 2009-11-17 | 2010-07-07 | 孙旭贤 | Waste tyre filling and trickling biological treating method and biological treating tank thereof |
| CN102616930A (en) * | 2012-04-19 | 2012-08-01 | 徐富 | Methane air floating anaerobic reactor |
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